Question

Prepaid energy meter

Answer 1

Answer:

A simplest type of prepaid energy meter consists of 2 EEPROMs interfaced to a microcontroller. ... The energy meter supplies pulses to the microcontroller for every unit of energy consumed. The microcontroller increases the spent energy unit by one and decreases the balance amount in the EEPROM by the fixed tariff.

Answer 2

Prepaid energy meter used in energy units calculated by energy meter can be billed by deducting amount accordingly from a recharge card.2 EEPROMs interfaced......